llvm-project/llvm/test/CodeGen/X86/narrow-shl-cst.ll

254 lines
5.9 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s
; PR5039
define i32 @test1(i32 %x) nounwind {
; CHECK-LABEL: test1:
; CHECK: # %bb.0:
; CHECK-NEXT: movl %edi, %eax
; CHECK-NEXT: andl $31, %eax
; CHECK-NEXT: shll $10, %eax
; CHECK-NEXT: retq
%and = shl i32 %x, 10
%shl = and i32 %and, 31744
ret i32 %shl
}
define i32 @test2(i32 %x) nounwind {
; CHECK-LABEL: test2:
; CHECK: # %bb.0:
; CHECK-NEXT: movl %edi, %eax
; CHECK-NEXT: orl $31, %eax
; CHECK-NEXT: shll $10, %eax
; CHECK-NEXT: retq
%or = shl i32 %x, 10
%shl = or i32 %or, 31744
ret i32 %shl
}
define i32 @test3(i32 %x) nounwind {
; CHECK-LABEL: test3:
; CHECK: # %bb.0:
; CHECK-NEXT: movl %edi, %eax
; CHECK-NEXT: xorl $31, %eax
; CHECK-NEXT: shll $10, %eax
; CHECK-NEXT: retq
%xor = shl i32 %x, 10
%shl = xor i32 %xor, 31744
ret i32 %shl
}
define i64 @test4(i64 %x) nounwind {
; CHECK-LABEL: test4:
; CHECK: # %bb.0:
; CHECK-NEXT: movq %rdi, %rax
; CHECK-NEXT: andl $241, %eax
; CHECK-NEXT: shlq $40, %rax
; CHECK-NEXT: retq
%and = shl i64 %x, 40
%shl = and i64 %and, 264982302294016
ret i64 %shl
}
define i64 @test5(i64 %x) nounwind {
; CHECK-LABEL: test5:
; CHECK: # %bb.0:
; CHECK-NEXT: movq %rdi, %rax
; CHECK-NEXT: andl $31, %eax
; CHECK-NEXT: shlq $40, %rax
; CHECK-NEXT: retq
%and = shl i64 %x, 40
%shl = and i64 %and, 34084860461056
ret i64 %shl
}
define i64 @test6(i64 %x) nounwind {
; CHECK-LABEL: test6:
; CHECK: # %bb.0:
; CHECK-NEXT: movq %rdi, %rax
; CHECK-NEXT: andl $-65536, %eax # imm = 0xFFFF0000
; CHECK-NEXT: shlq $32, %rax
; CHECK-NEXT: retq
%and = shl i64 %x, 32
%shl = and i64 %and, -281474976710656
ret i64 %shl
}
define i64 @test7(i64 %x) nounwind {
; CHECK-LABEL: test7:
; CHECK: # %bb.0:
; CHECK-NEXT: movq %rdi, %rax
; CHECK-NEXT: orq $241, %rax
; CHECK-NEXT: shlq $40, %rax
; CHECK-NEXT: retq
%or = shl i64 %x, 40
%shl = or i64 %or, 264982302294016
ret i64 %shl
}
define i64 @test8(i64 %x) nounwind {
; CHECK-LABEL: test8:
; CHECK: # %bb.0:
; CHECK-NEXT: movq %rdi, %rax
; CHECK-NEXT: orq $31, %rax
; CHECK-NEXT: shlq $40, %rax
; CHECK-NEXT: retq
%or = shl i64 %x, 40
%shl = or i64 %or, 34084860461056
ret i64 %shl
}
define i64 @test9(i64 %x) nounwind {
; CHECK-LABEL: test9:
; CHECK: # %bb.0:
; CHECK-NEXT: movq %rdi, %rax
; CHECK-NEXT: xorq $241, %rax
; CHECK-NEXT: shlq $40, %rax
; CHECK-NEXT: retq
%xor = shl i64 %x, 40
%shl = xor i64 %xor, 264982302294016
ret i64 %shl
}
define i64 @test10(i64 %x) nounwind {
; CHECK-LABEL: test10:
; CHECK: # %bb.0:
; CHECK-NEXT: movq %rdi, %rax
; CHECK-NEXT: xorq $31, %rax
; CHECK-NEXT: shlq $40, %rax
; CHECK-NEXT: retq
%xor = shl i64 %x, 40
%shl = xor i64 %xor, 34084860461056
ret i64 %shl
}
define i64 @test11(i64 %x) nounwind {
; CHECK-LABEL: test11:
; CHECK: # %bb.0:
; CHECK-NEXT: movq %rdi, %rax
; CHECK-NEXT: xorq $-65536, %rax # imm = 0xFFFF0000
; CHECK-NEXT: shlq $33, %rax
; CHECK-NEXT: retq
%xor = shl i64 %x, 33
%shl = xor i64 %xor, -562949953421312
ret i64 %shl
}
; PR23098
define i32 @test12(i32 %x, i32* %y) nounwind {
; CHECK-LABEL: test12:
; CHECK: # %bb.0:
; CHECK-NEXT: addl %edi, %edi
; CHECK-NEXT: movzbl %dil, %eax
; CHECK-NEXT: movl %eax, (%rsi)
; CHECK-NEXT: retq
%and = shl i32 %x, 1
%shl = and i32 %and, 255
store i32 %shl, i32* %y
ret i32 %shl
}
define i64 @test13(i64 %x, i64* %y) nounwind {
; CHECK-LABEL: test13:
; CHECK: # %bb.0:
; CHECK-NEXT: addl %edi, %edi
; CHECK-NEXT: movzbl %dil, %eax
; CHECK-NEXT: movq %rax, (%rsi)
; CHECK-NEXT: retq
%and = shl i64 %x, 1
%shl = and i64 %and, 255
store i64 %shl, i64* %y
ret i64 %shl
}
define i64 @test14(i64 %x, i64* %y) nounwind {
; CHECK-LABEL: test14:
; CHECK: # %bb.0:
; CHECK-NEXT: movq %rdi, %rax
; CHECK-NEXT: andl $-16777216, %eax # imm = 0xFF000000
; CHECK-NEXT: shlq $8, %rax
; CHECK-NEXT: retq
%and = shl i64 %x, 8
%shl = and i64 %and, 1095216660480
ret i64 %shl
}
define i64 @test15(i64 %x, i64* %y) nounwind {
; CHECK-LABEL: test15:
; CHECK: # %bb.0:
; CHECK-NEXT: movl $4278190080, %eax # imm = 0xFF000000
; CHECK-NEXT: orq %rdi, %rax
; CHECK-NEXT: shlq $8, %rax
; CHECK-NEXT: retq
%or = shl i64 %x, 8
%shl = or i64 %or, 1095216660480
ret i64 %shl
}
define i64 @test16(i64 %x, i64* %y) nounwind {
; CHECK-LABEL: test16:
; CHECK: # %bb.0:
; CHECK-NEXT: movl $4278190080, %eax # imm = 0xFF000000
; CHECK-NEXT: xorq %rdi, %rax
; CHECK-NEXT: shlq $8, %rax
; CHECK-NEXT: retq
%xor = shl i64 %x, 8
%shl = xor i64 %xor, 1095216660480
ret i64 %shl
}
define i32 @test17(i32 %x) nounwind {
; CHECK-LABEL: test17:
; CHECK: # %bb.0:
; CHECK-NEXT: movzbl %dil, %eax
; CHECK-NEXT: shll $10, %eax
; CHECK-NEXT: retq
%and = shl i32 %x, 10
%shl = and i32 %and, 261120
ret i32 %shl
}
define i64 @test18(i64 %x) nounwind {
; CHECK-LABEL: test18:
; CHECK: # %bb.0:
; CHECK-NEXT: movzbl %dil, %eax
; CHECK-NEXT: shlq $10, %rax
; CHECK-NEXT: retq
%and = shl i64 %x, 10
%shl = and i64 %and, 261120
ret i64 %shl
}
define i32 @test19(i32 %x) nounwind {
; CHECK-LABEL: test19:
; CHECK: # %bb.0:
; CHECK-NEXT: movzwl %di, %eax
; CHECK-NEXT: shll $10, %eax
; CHECK-NEXT: retq
%and = shl i32 %x, 10
%shl = and i32 %and, 67107840
ret i32 %shl
}
define i64 @test20(i64 %x) nounwind {
; CHECK-LABEL: test20:
; CHECK: # %bb.0:
; CHECK-NEXT: movzwl %di, %eax
; CHECK-NEXT: shlq $10, %rax
; CHECK-NEXT: retq
%and = shl i64 %x, 10
%shl = and i64 %and, 67107840
ret i64 %shl
}
define i64 @test21(i64 %x) nounwind {
; CHECK-LABEL: test21:
; CHECK: # %bb.0:
; CHECK-NEXT: movl %edi, %eax
; CHECK-NEXT: shlq $10, %rax
; CHECK-NEXT: retq
%and = shl i64 %x, 10
%shl = and i64 %and, 4398046510080
ret i64 %shl
}